User Manual
Contents
1. 1 Cable de ensayo Ref No 461 408 6 2 BAUR 7 Insulation resistance chart 7 Insulation resistance chart MICROAMPERES i a A a EI Fe SF Fos Ss ch Di o of Ba 2 y o oi e 100 000 Z 70 000 a 80 000 TA AA 2 70 000 60 000 a H 4 50 000 4 Ee 4 fit dl a S q 40 000 SE 7y MALL ea 17 LA 30 000 a 4 2 ea A gt 25 000 2 nu AA F PA E f A S f H 20 000 T f L A D fe e d d o 7 F 15 000 r 7 AL f D a r f S E ATV 7 9 000 f E Tu fa 8 000 44 7 7 000 dl o UA 1 6 000 La i Pa f f Ge d ne D 5 000 77 TA A S AG gt 4 000 AL on 7 RS 7 7 Es l 7 3 000 3 7 f 7 PAR 4 Fa 7 i 7 by 7 ak 7 A E 2 2 500 4 SE z Le E A sah IFA ZE Z 2 MA S 1777 E AT S PATA AA YA 7 7 7 7 2 000 FE 4 SC gt 7 a E 7 A T S i 1500 5 E 7 7 3 ke 7 THAT th e 2 ES e g a az e XA A e D 7 a A ra e i A 100 5 7 B8 9 WwW 5 25 Es 20 50 z i 70 B0 90 Vo KILOVOLTS2. 7 1 MICROAMPERES 7 Insulation resistance chart BA UR Notes 7 2
3. which are flowing to the housing will be ignored during this test Very small surface currents can be measured 5 5 5 Guard Connection BA LA Notes 5 6 BRAUN 6 Technical Data 6 Technical Data General Operating voltage Output voltage Output current Voltage indication Current indication Plotter output Built in battery 0 locking 3 Timer 5 Integrated discharge unit Relative humidity Ambient temperature 110 120 V 220 230 V 240 V 50 60 Hz built in battery 12 V External battery 12 V can be connected to terminals 9 on front panel battery cable AA 3 red Ident No 460 439 and AA 3 black Ident No 460 458 available as accessories Stepless controllable with switch 2 0 5 kV and switch 3 0 25 kV Independent of load up to 1 mA output current Short circuit current approx 3 mA continuous current mA at 25 kV Voltage measurements are performed directly at the output via a precision measuring resistor 1 The scale is divided into 2 ranges 0 5 kV and 0 25 kV maximum deflection Meter Class 1 5 The current display is divided into 5 ranges 1 uA 10 uA 100 uA 1mA 10 mA maximum deflection Currents from 50 nA are measurable The current is measured via an operational amplifier and displayed on a meter Class 1 5 For current recordings a plotter with a floating input can be connected to the insulated BNC connector 10 The same test
4. test object not connected to earth Shield L M The current measuring device of the PGK 25 has 5 measuring ranges from 1 uA to 10 mA Due to the separately mounted connectors for shield and current measuring terminal M spurious currents can be excluded from measurements With the operating mode switch 14 in position A the current measuring terminal 15 is connected to earth The current measuring device acquires all currents which flow from the H V output to earth Internal insulation currents as well as corona currents from test configuration are also acquired by the current measurement Through the shield connection partial currents e g surface currents on insulators can be returned to the high voltage source without being acquired by the current measuring device If the shield connection is not used it must be isolated from earth otherwise the uA meter will be short circuited With the operating mode switch 14 in position B the current measuring terminal 15 is electrically isolated The current measuring device acquires all currents which are conducted through the current measuring terminal 15 The insulation currents and corona currents which flow from the instrument or the test configuration to earth will not be acquired by the current measuring device The shield connection may be connected to earth The test object must be configured in such a way that it is insulate from earth The test lead
5. voltage is available for each current range e g 0 200 mV 12 V 6 5 Ah operating time at 2 3 load approx 30 minutes The battery is charged by the internal charging unit instrument must be connected to mains The charging time is approximately 24 hours The instrument can be switched on only when the kV controller 3 is in the zero position Locked against unintentional instrument turn on 0 30 minutes Discharge load 2000 Ws 6 uF at 25 kV accordingly not condensing working 0 45 C storage 20 60 C 6 1 6 Technical Data BA LA Mechanical Data Dimensions 365 x 135 x 394 mm w x h x d Weight approximately 16 5 kg including cover and H V cable Colour RAL 7035 texture Standard accessories 1 H V connection cable Ident No 462 274 1 Ground line Ident No 461 308 1 Mains cable Ident No 554 xxx 1 Leather bag for HV connection cable Ident No 470 880 Special accessories Leatherbag LT 25 Ident No 411 519 2 Battery connection cables ret black Ident No 470 067 Discharge rod ES 45 Ident No 411 501 Guard connection Ident No 471 094 Ground monitoring Ident No 470 854 Accesorios Conexion del anillo de guarda Conjunto de actualizaci n Ref No 470 854 1 Cable de conexi n de Alta Tensi nRef No 461 307 1 Cable de tierra Ref No 461 308 1 Cable de red Ref No 554 005 1 Extractor de lamparitas Ref No 541 169 2 Fusibles Ref No 563 073
6. BRUNA User Manual High Voltage Testing Set PGK 25 Ident no 822 001 10 06 BAUR Pr f und Messtechnik GmbH e mail headoffice baur at Tel 43 55 22 49 41 0 Raiffeisenstrasse 8 A 6832 Sulz Austria internet http www baur at Fax 43 55 22 494 13 BRAUN Guide to this Operating Instruction Copyright Preface Safety Precautions Guide to this Operating Instruction Observe info signs gt Copyright O Copyright by BAUR Subject to modification Preface Phone 43 55 22 49 41 0 Fax 43 55 22 49 41 3 Safety Precautions Please read now and avoid damage and injury later For fast finding of important information the corresponding text passages are marked with symbols symbols not stated here are self explaining More and special information concerning the respective subject are available from BAUR Important unit information In any case read carefully Important information text BRAUN BAUR Pr f und Messtechnik GmbH A 6832 Sulz Austria All rights reserved No part of this publication may be reproduced transmitted stored in a data processing system or translated into another language without the written permission of BAUR Sulz Austria In the interest of our customers we reserve the rights for modifications due to technical progress Illustrations descriptions and delivery content are therefore not binding This manual contains all information ne
7. acities the following points need to be considered the voltage indication error is maximum 125V at 1mA The discharging periods need to be doubled RS Before touching the test object short circuit test object and connect it to earth 4 1 BRAUN 4 Setting into operation 4 2 Plotter connector It is possible to plot the test current as function of time to a external plotter via the plotter connector 10 of the PGK 25 The output voltage is function of the current range 4 200mV at full scale deflection of the internal ampermeter 4 2 BRAUN 5 Guard Connection 5 Guard Connection General H V connection Starting with series 16 of the PGK 25 a Guard connection is provided as an option With the feature a variety of measurements jobs can be performed where the connections for the shield and current measuring terminal are separately mounted In the Guard option resistors with 1 kQ 200W are integrated in the current measuring lead 461 408 and in the shield connection of the H V lead These resistors serve for the protection of the instrument against transient voltages The resistors in the connection leads must be checked for damage after high voltage breakdown of test objects with high capacity gt 0 5 uF or heavy mechanical stress 5 1 5 Guard Connection BRAUN Current measuring device test object connected to earth 5 2 Operating mode A Operating mode B
8. cessary for the correct handling and use of the PGK 25 High Voltage Testing Set Before using the PGK 25 please read carefully this Operating Instruction If you have any question please contact directly BRAUN BAUR Pr f und Messtechnik GmbH Raiffeisenstrasse 8 A 6832 Sulz Austria or refer to your nearest BAUR representative The PGK 25 High Voltage Testing Set is built in accordance with today s state of engineering and is safe to operate Individual components and the finished unit are inspected continually by our qualified staff within the framework of our Quality Assurance Provisions Each unit is subjected to thorough testing prior to shipment Continued 0 3 Safety Precautions Warranty BRAUN Safety Precautions Continued Only authorized personnel Use the PGK 25 as directed Warranty 0 4 12 month warranty time Itisimperative to every person who is involved with the installation start up operation and maintenance to have read and understood the complete Operating Instructions Itisthe responsibility of the customer to ensure that only authorized persons may be allowed to use the PGK 25 The user e is qualified and properly instructed and has the necessary experience e knows the relevant standards accident prevention rules and operating conditions e is able to carry out the necessary operations and is aware of the possible dangers involved e must immediately
9. g E 2 1 Damage during Transport coonoocccnccnnnnconnnnncnnnann a 2 1 3 Power supply Power selection ccccceeceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 3 1 PE tamaaa a a Eaa ANA ASEE AENEA NAAA Kenn 3 1 General rule viii a bene 3 1 4 setting Into operation sica 4 1 Plotter COMMECION PRRPRECRFEREUREPERRZEREITNEEREFEEFFEREIERSEUERESEREBBEEESRPREREESEEPEEFTER 4 2 5 Guard Connection cccccccccccccnnnonononanancnnnononnnnnnanannnnnn cnn rnnnnnnnnaananarnnnns 5 1 Gone tira 5 1 Current measuring device oooconnncccnnnncnccncccnnnnarccnn nan ccn nana 5 2 ADDICTION sei ia 5 3 6 Technical AAA 6 1 EE 7 EEE EEN oia 6 1 Mechanical Kate side deed a ern eeh 6 2 Standard accessories ussnnsunnnnnnensnnnnennnnnnnnnnnnnnnnnnnnnnnnannnn 6 2 Special accessories uuurssnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnn 6 2 7 Insulation resistance chart uursrrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 7 1 0 5 BRAUN Notes 0 6 BRAUN 1 Operating Elements 1 Operating Elements o M od ca vw A UU N o ke on UN e 14 15 1 2 3 4 5 14 15 6 Push button switch for battery test Selector switch 0 5 kV or 0 25 kV Voltage regulator with 0 locking Range selector switch for current indication Operating switch with timer and discharge unit High voltage output with controlling contact Connector for protective earth cable Mains connector with power selector and fuses C
10. inform his superior about any conditions of the unit that could affect safety The PGK 25 is a High Voltage Testing Set for insulation testing of cables windings and insulators The local safety and accident prevention regulations are always applicable to the operation of the PGK 25 At the customer s written request we undertake to repair or replace at our discretion and as quickly as possible all parts that become faulty or useless as the demonstrable result of poor material faulty design or defective execution The 12 month warranty time starts with delivery We shall bear the costs of any faulty parts requiring replacement but not the costs of transport to us and back to the customer nor the costs of packing and insurance We shall not be liable for any damage resulting from normal wear and tear improper handling non observance of Operating Instructions and safety regulations We shall also refuse to accept any liability if the customer carries out repairs or changes to the unit himself or has others carry out them The warranty does not cover damage in transit batteries fuses and any readjustments in accordance with the Operating Instructions We draw attention in addition to the General Terms of Sales and Delivery of BRAUN BAUR Pr f und Messtechnik GmbH Raiffeisenstrasse 8 A 6832 Sulz Austria BAUR Contents Contents 1 Operating Elements u ee 1 1 2 Packing and Shippin
11. may not be interrupted during testing otherwise the test lead could carry high voltage BA LA 5 Guard Connection Application Shield of test object connected to earth i pn mn wm A A Station earth P E l i i I l Loy Insulation test between a conductor and the shield The insulation currents between the conductors will be ignored 5 3 5 Guard Connection BRAUN 5 4 e eer wt ee Conductors of test object not connected to earth T Ba s Station earth i a a E a a a A LZ The test lead may not be interrupted during testing otherwise the test lead could carry high voltage Insulation test between the conductors The insulation currents between the conductors and the shield will be ignored enm Seegen r e dert i Conductors of test object and shield connected to earth el T Station earth Loss gt Insulation test between conductor and shield All of the insulation currents will be measured BA LA 5 Guard Connection Housing T Station earth Louisan JJ Insulation test of a H V insulator Under this test the surface currents of the insulator will be ignored PGK 25 Insulator Contact ring Led De Housing J Station earth L The test lead may not be interrupted during testing otherwise the test lead could carry high voltage Measurement of surface currents Insulation leakage currents
12. n Check battery voltage by pressing push button switch 1 The state of charge of the battery will be indicated by the kV meter In battery test the needle must be within the marked range Set range selector switch 2 to the desired range 0 5 kV or 0 25 kV Set voltage regulator 3 to 0 Otherwise the instrument cannot be turned on Set range selector switch 4 of amperemeter to maximum value 10 mA The high voltage will be turned on by the timer 5 and the control lamp 11 will be on Now the high voltage can be set to the desired value by turning the voltage regulator 3 The current range selector switch 4 can also be adjusted Only now the timer 5 should be set to the desired operating time The insulation resistance of the test object resulting from current and voltage can now be determined by using the attached chart Instrument shutdown turn timer 5 completely counter clockwise H V control lamp 11 will be off Once the H V lamp is off the integrated discharge unit will automatically be activated The connected test objects capacities will be discharged slowly via a resistor 125 k Ohms The discharge time at 6 uF is approximately 5 seconds For measurements of very low current values recommended way of application operate the PGK in battery mode use the option Charging current limitation for high capacities For using of the option Charging current limitation for high cap
13. onnectors for external battery 12 V Connector for current range plotter H V control lamp uA meter kV meter with indication for battery test Option Guard connection Operating mode switch for current measurement Terminal for current measurement 1 1 1 Operating Elements BRAUN Notes 1 2 BRAUN 2 Packing and Shipping 2 Packing and Shipping Damage during transport The Test Set is shipped in robust cardboard cartons If Test Set is not used immediately store in carton in dry rooms Complaints concerning damage should be made to us without delay using a standard damage claims form Confirmation of visible damage should immediately be obtained from the carrier The extent and probable cause of the damage should be stated If damage is discovered during unpacking contact the responsible transportation company immediately Request a written loss assessment and make them responsible for the damage We also refer to the General Terms of Sales and Delivery of BRAUN BAUR Pr f und Messtechnik GmbH A 6832 Sulz Austria 2 1 2 Packing and Shipping BA UR Notes 2 2 BRAUN 3 Power supply Power selection 3 Power supply Power selection Maintenance General rule The unit is factory set to 220 230 V If the unit is operated under different power remove power cord and open cover of voltage selector using a small screwdriver Now
14. the voltage selector drum can be withdrawn and inserted again after selecting A Check also the inserted fuses and the amperage as shown on the typeplate Close cover by simply pressing on it Battery operation should only be performed with fully charged battery Units with built in battery must be maintained Since batteries discharge even when instrument is not in use batteries must be recharged occassionally Charge batteries after approx 30 days as well as before instrument is put into operation Discharged Dryfit batteries should not be put in storage 3 1 3 Power supply Power selection BA LA Notes 3 2 BRAUN 4 Setting into operation 4 1 Setting into operation The PGK 25 is designed in such a way that no output current is generated which could be harmful in case of body contact In the process of testing capacitive type test objects however dangerous charges may occur In tests where charges of 350 mJ or higher are stored in items with which persons could make contact special protection measures are required to avoid direct or indirect contact with live parts 10 11 12 Connect instrument with protective earth lead 461 308 via protective earth connector 7 with station earth Connect instrument and test object with H V cable 460 437 Mains operation Connect instrument with power cord 554 005 Please pay attention to selected mains voltage Battery operatio
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